Difference between revisions of "Dichlorvos"
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A colorless, toxic liquid [[insecticide]] that has been commonly used in plastic insect strips. Dichlorvos has a high vapor pressures and when it is impregnated in the plastic strips, it will slowly evaporate over a three month period. It is most effective against flying insects and only effective for cockroaches in a sealed container (Zycherman and Shrock 1988). Dichlorvos functions as a cholinesterase inhibitor. In the presence of water, dichlorvos can decompose. Some metals ([[iron]], [[steel]], [[copper]], [[brass]], [[tin]], [[zinc]], [[lead]], and [[silver]]) have tarnished when exposed to the vapors from dichlorvos strips (Zycherman and Shrock 1988). In 1995, the use of dichlorvos was restricted for all applications except for impregnated strips used in outdoor insect traps. | A colorless, toxic liquid [[insecticide]] that has been commonly used in plastic insect strips. Dichlorvos has a high vapor pressures and when it is impregnated in the plastic strips, it will slowly evaporate over a three month period. It is most effective against flying insects and only effective for cockroaches in a sealed container (Zycherman and Shrock 1988). Dichlorvos functions as a cholinesterase inhibitor. In the presence of water, dichlorvos can decompose. Some metals ([[iron]], [[steel]], [[copper]], [[brass]], [[tin]], [[zinc]], [[lead]], and [[silver]]) have tarnished when exposed to the vapors from dichlorvos strips (Zycherman and Shrock 1988). In 1995, the use of dichlorvos was restricted for all applications except for impregnated strips used in outdoor insect traps. | ||
| − | + | [[[SliderGallery rightalign|dichlorvosir.jpg~FTIR|dichlorvosstr2.jpg~Chemical structure]]] | |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
dimethyldichlorovinylphosphate; 2,2-dichlorodivinyldimethyl phosphate; DDVP; dichlorovos; Al-20; Vapona® strips [Shell]; Vaportale® [Shell]; No-Pest® strips [Spectrum]; Vaponite; Nuvan; Dichlorman; Estrosol; Herkol; Nogos; Sheltox | dimethyldichlorovinylphosphate; 2,2-dichlorodivinyldimethyl phosphate; DDVP; dichlorovos; Al-20; Vapona® strips [Shell]; Vaportale® [Shell]; No-Pest® strips [Spectrum]; Vaponite; Nuvan; Dichlorman; Estrosol; Herkol; Nogos; Sheltox | ||
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| − | == | + | == Risks == |
| + | |||
| + | * Toxic by inhalation, skin absorption and ingestion causing headache, vomiting, convulsions and cardiac irregularities. | ||
| + | * Carcinogen and suspected teratogen by ingestion. | ||
| + | * Can corrode metals. | ||
| + | * ECHEMI: [https://www.echemi.com/sds/dichlorvos-temppid160628001189.html SDS] | ||
| + | |||
| + | ==Physical and Chemical Properties== | ||
Miscible with ethanol and most nonpolar solvents. Slightly soluble in water. Decomposes in quickly in alkalis and slowly in water. | Miscible with ethanol and most nonpolar solvents. Slightly soluble in water. Decomposes in quickly in alkalis and slowly in water. | ||
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! scope="row"| Density | ! scope="row"| Density | ||
| − | | 1.415 | + | | 1.415 g/ml |
|- | |- | ||
! scope="row"| Molecular Weight | ! scope="row"| Molecular Weight | ||
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|- | |- | ||
! scope="row"| Boiling Point | ! scope="row"| Boiling Point | ||
| − | | 140 | + | | 140 C |
|} | |} | ||
| − | == | + | ==Resources and Citations== |
| − | + | * L. Goldberg, A History Of Pest Control Measures In The Anthropology Collections, National Museum Of Natural History, Smithsonian Institution, ''JAIC'' (35):23-43, 1996 | |
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* J. Dawson, ''CCI Technical Bulletin'', 'Solving Museum Insect Problems: Chemical Control' , Canadian Conservation Institute, Ottawa, No. 15 | * J. Dawson, ''CCI Technical Bulletin'', 'Solving Museum Insect Problems: Chemical Control' , Canadian Conservation Institute, Ottawa, No. 15 | ||
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* Pam Hatchfield, ''Pollutants in the Museum Environment'', Archetype Press, London, 2002 | * Pam Hatchfield, ''Pollutants in the Museum Environment'', Archetype Press, London, 2002 | ||
| − | * Website | + | * Website: www.speclab.com/compound/c62737 |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 11:06, 21 July 2022
Description
A colorless, toxic liquid Insecticide that has been commonly used in plastic insect strips. Dichlorvos has a high vapor pressures and when it is impregnated in the plastic strips, it will slowly evaporate over a three month period. It is most effective against flying insects and only effective for cockroaches in a sealed container (Zycherman and Shrock 1988). Dichlorvos functions as a cholinesterase inhibitor. In the presence of water, dichlorvos can decompose. Some metals (Iron, Steel, Copper, Brass, Tin, Zinc, Lead, and Silver) have tarnished when exposed to the vapors from dichlorvos strips (Zycherman and Shrock 1988). In 1995, the use of dichlorvos was restricted for all applications except for impregnated strips used in outdoor insect traps.
Synonyms and Related Terms
dimethyldichlorovinylphosphate; 2,2-dichlorodivinyldimethyl phosphate; DDVP; dichlorovos; Al-20; Vapona® strips [Shell]; Vaportale® [Shell]; No-Pest® strips [Spectrum]; Vaponite; Nuvan; Dichlorman; Estrosol; Herkol; Nogos; Sheltox
Risks
- Toxic by inhalation, skin absorption and ingestion causing headache, vomiting, convulsions and cardiac irregularities.
- Carcinogen and suspected teratogen by ingestion.
- Can corrode metals.
- ECHEMI: SDS
Physical and Chemical Properties
Miscible with ethanol and most nonpolar solvents. Slightly soluble in water. Decomposes in quickly in alkalis and slowly in water.
| Composition | C4H7Cl2O4P |
|---|---|
| CAS | 62-73-7 |
| Density | 1.415 g/ml |
| Molecular Weight | Mol. wt. = 220.98 |
| Boiling Point | 140 C |
Resources and Citations
- L. Goldberg, A History Of Pest Control Measures In The Anthropology Collections, National Museum Of Natural History, Smithsonian Institution, JAIC (35):23-43, 1996
- J. Dawson, CCI Technical Bulletin, 'Solving Museum Insect Problems: Chemical Control' , Canadian Conservation Institute, Ottawa, No. 15
- Lynda A. Zycherman, J.Richard Schrock, A Guide to Museum Pest Control, FAIC and Association of Systematics Collections, Washington DC, 1988
- Pam Hatchfield, Pollutants in the Museum Environment, Archetype Press, London, 2002
- Website: www.speclab.com/compound/c62737